Road Trip 2011: For CNET reporter Daniel Terdiman, taking trains all over Europe using a Eurail pass is both a reminder of great past travels and of the freedom and flexibility that the passes give those who carry them.

Road Trip 2011: Though there are planes and ferries that can take you between the English and French capitals, the convenience and speed of the Eurostar train is unmatched. Just be careful how much luggage you bring.

Come along with CNET's Daniel Terdiman as he visits some of the best geek-oriented spots in Europe, from the Eiffel Tower to Lego manufacturing, and from the historic D-Day beaches to this year's Paris Air Show.